export default [
  [0, 1, 1, 1],
  [0, 1, 1, 1, 1, 1],
  [0, 1, 1, 1, 1, 1],
  [0, 1, 1, 1, 1, 1, 2],
  [0, 1, 1, 1, 2, 2, 2],
  [0, 1, 1, 2, 2, 2, 2, 3],
  [0, 1, 1, 2, 2, 3, 4, 5],
  [0, 5, 5, 2, 3, 4, 5, 6],
  [0, 9, 8, 1, 2, 3, 4, 5, 6, 8, 9],
]